Table 2.

Association of the intima-media thickness progression rate with CV risk factors and ESR

	Un-interacted model			Interacted model
	Rate difference versus referent	95% CIs	p Value	Rate difference versus referent	95% CIs	p Value
Number of CV risk factors (0 referent)
1	0.0023	−0.0035 to 0.0082	0.4	−0.0021	−0.0094 to 0.0051	0.5
2	0.0012	−0.0048 to 0.0073	0.4	−0.0068	−0.0167 to 0.0031	0.1
3	−0.0017	−0.0087 to 0.0051	0.6	−0.0137	−0.0272 to −0.0002	0.04
≥4	0.0162	0.0060 to 0.0265	0.002	−0.0000	−0.0188 to 0.0188	0.9
ESR strata, in mm/h (< 17 referents)
17–26	0.0018	−0.0036 to 0.0072	0.5	−0.0002	−0.0060 to 0.0055	0.9
27–37	0.0050	−0.0005 to 0.0106	0.07	0.0008	−0.0060 to 0.0077	0.8
38–54	0.0018	−0.0037 to 0.0074	0.5	−0.0042	−0.0123 to 0.0038	0.3
> 54	0.0076	0.0021 to 0.0131	0.006	−0.0011	−0.0112 to 0.0090	0.8
Interaction terms
No. CV risk factors×ESR	–	–	–	0.0012	0.0000 to 0.0024	0.04

CV, cardiovascular; ESR, erythrocyte sedimentation rate.